Slow charging and draining of battery whenever restart.
My issue is kind a complicated. Whenever I start charging my Galaxy Tab 4 7.0 (on it's original cable and adapter) it takes 1 or 2 hours to charge 3% or 4%. When the device is 30% charged (by taking 3-4 hours), I used to it turn it off and then power on, so it shows that it is 40% or above charged. If I do ON/OFF again (2nd time), it shows that the battery is 25%, if again ON/OFF (3rd time), it is 20% and sometimes just stay at same %. Please suggest me what to do. Still the back up it is providing in those % is normal as the battery is not draining faster while using.
The things that I have tried:
1) Charging by removing SD Card.
2) Charging by turning the device off.
3) Cleaned the dirt or debris before charging.
4) Factor Reset.
5) Charged on another wall sock.
Please, I request someone to assist me.
Is this a good question?